N atoms recombination on a silica surface: a global theoretical approach (Articolo in rivista)

Type
Label
  • N atoms recombination on a silica surface: a global theoretical approach (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.susc.2005.12.080 (literal)
Alternative label
  • M. Rutigliano, A. Pieretti, M. Cacciatore, N. Sanna, V. Barone (2006)
    N atoms recombination on a silica surface: a global theoretical approach
    in Surface science
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Rutigliano, A. Pieretti, M. Cacciatore, N. Sanna, V. Barone (literal)
Pagina inizio
  • 4239 (literal)
Pagina fine
  • 4246 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Surface Science Volume 600, Issue 18, 15 September 2006, Pages 4239-4246 Berlin, Germany: 4-9 September 2005 Proceedings of the 23th European Conference on Surface Science (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 600 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 18 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-IMIP (Institute of Inorganic methodologies and Plasmas) sez. di Bari, Via Amendola 122/D, 70126 Bari, Italy CASPUR - Consorzio Interuniversitario Applicazioni Supercalcolo per Universita` e Ricerca, Via dei Tizii 6/b, 00185 Roma, Italy Dipartimento di Chimica, Universita` a Federico II, Complesso Monte S.Angelo, via Cintia, I-80126 Napoli, Italy (literal)
Titolo
  • N atoms recombination on a silica surface: a global theoretical approach (literal)
Abstract
  • The paper reports on a semiclassical dynamics study about N2 formation after nitrogen atom recombination on a silica surface via the Eley-Rideal collisional mechanism at T = 1000 K. The molecular dynamics study was carried out using a fitted potential energy surface based on new density functional computations on clusters cleaved from the b-cristobalite unit cell. The B3LYP results obtained using silica clusters of increasing dimensions (up to Si7O14H14) show that only atomic nitrogen is adsorbed (binding energy Eb ffi 2.7- 2.8 eV). Then, the obtained potential energy surface has been used in a time-dependent semiclassical collisional method which is able to describe, at a very detailed level, the recombination of N atoms on the surface assisted by the phonon excitation mechanism of the substrate. The recombination coefficient c of the Eley-Rideal recombination mechanism was calculated together with the reaction energetics (literal)
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